feat: implement date display utility across various pages

- Added `useDateDisplayer` hook and `dateDisplayer` function to format dates consistently based on the user's language.
- Updated multiple components and pages in both backoffice and portal applications to utilize the new date display functionality, ensuring proper formatting for dates in lists, tables, and detail views.
- Introduced Ethiopian date formatting for Amharic language support.
- Refactored date handling in components such as ExamAppealsPage, ResultPage, SeafarerRegistryPage, and others to improve localization and user experience.

libs/shared/src/index.ts

@@ -1 +1,4 @@
 export * from './lib/theme/ema-theme';
+export * from './lib/date/date-displayer';
+export * from './lib/date/use-date-displayer';
+export * from './lib/date/ethiopic';